text: The request was mentioned in the document signed by HCMC Vice Chairman Duong Anh Duc on May 27 to strengthen Covid - 19 prevention measures in the area?
classes:  No, to strengthen preventive measures in HCMC, the city's leaders issued a document stating the necessary requirements.  Also, to strengthen preventive measures in HCMC, the city's leaders issued a document stating the necessary requirements.  Yes, to strengthen preventive measures in HCMC, the city's leaders issued a document stating the necessary requirements.